"telegraphy." . . "Telegraphie Geschichte." . . "Télégraphie." . . "Telegraphie." . "Railway signalling." . . "Télégraphe Histoire." . . "Télégraphe - Histoire." . "Telegraph." . . "Histoire." . . "Telegrafie." . . "Geschichte." . . "TECHNOLOGY & ENGINEERING Electrical." . . . . . . . "History of Telegraphy" . "History of Telegraphy"@en . . "History of Telegraphy Its Technology and Application"@en . . . . . . . "The book reviews developments in the following fields: terrestrial telegraphy; and aerial telegraphy."@en . "The book reviews developments in the following fields: terrestrial telegraphy; and aerial telegraphy." . . . . . . "History"@en . "History" . . . . "A history of telegraphy" . . "Recording the growth of telegraphy over two centuries, this book depicts the discoveries and ingenuity of those involved, the equipment they designed, and the applications and effects on society. Emphasis is placed on cable-based techniques and wireless transmissions."@en . . . . . . "Electronic books"@en . . . "History of telegraphy"@en . . "History of telegraphy" . . . . . "A history of telegraphy : its technology and application"@en . . . "History of telegraphy : rail extracts"@en . "Telègraf Història." . . . . "télégraphie 18e s. / 20e s." . .